Programming VIP

With the latest stable version 1.17.2, memo the problems of the Scheduler during the initial deployment of the cluster. Edition [root@host131 ansible]# kubectl get node -o wide NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION ...

This article started on my personal blog:Using snap to build Microk8s on ubuntu, using kubectl to deploy the personal blog of zhang0peter Recently, I am learning k8s, that is, the use of Kubernetes. When logging in the terminal of ubuntu, the advertisement of Microk8s appears: * Overheard at KubeCon: ...

1. Preface CPFS(Cloud Paralleled File System) is a parallel file system.CPFS data is stored in multiple data nodes in the cluster and can be accessed by multiple clients at the same time, thereby providing high IOPS, high throughput, and low latency data storage services for large high performance computer clusters. Aliyun Kubernetes CSI suppor ...

Resource Management (k8s) Resource (above) Article Directory Resource Management (k8s) Resource (above) Initial knowledge Core Design How to use Limit test What happens if memory is too small What about modifying limits to limit memory/CPU overruns How about tuning requests memory/CPU Turn reque ...

1. Overview of kubernetes upgrade Kubernetes version upgrade iteration is very fast, update every three months, many new functions iterate quickly in the new version. In order to keep consistent with the community version function, upgrade the kubernetes cluster, the community has upgraded the cluster through the kubeadm tool, the upgrade step ...

Jupyter/JupyterHub/JupyterLab can run in many ways, including command line, system service, Docker instance, Kubernetes application, etc. Here is how to run it as a system service by using the< magic operator of IPython 6/Jupyter>,<Magic operators of IPython >Can provide better console operation (who uses who knows! If you need t ...

Using kubeadm to deploy highly available Kubernetes 1.17.0 After setting up three Master nodes, it is found during the deployment of Heketi that Daemonset does not start the corresponding pod. The original Master node of Kubernetes needs to be set to participate in application scheduling (by default, the Master node does not run applications). ...

phenomenonAn internal error occurred on the harbor mirror platform server and the request could not be completed InvestigationLogging on to dashboard finds that the node state is not ready, and then logs on to the nodeWhen you see that they are indeed not ready, your instinct is to rerun the kubelet, kube-proxy services and return them to the ...

Environmental preparation: k8s environment managed by lancher 2.3 jenkins (you can use docker to build or install directly. If you are not familiar with k8s, it is not recommended to use helm to install jenkins. Many configurations are not convenient to change. I built it with docker, but I need to record and mount the docker command. It is r ...

Kubernetes 1.12.1 quick upgrade includes three main steps: upgrade kubedm / kubectl / kubelet version, pull image, upgrade kubernetes cluster. 1. Upgrade kubeadm/kubectl/kubelet version apt install kubeadm=1.12.1 kubectl=1.12.1 kubelet=1.12.1 To view the container image version of this version: kubeadm config images list The output is as ...